The river floods periodically during the June-to-September rainy season. In 2005 around 200 people were killed by floodwaters and crocodiles. A flood in August 2006 killed at least 300, including 200 in the city of Dire Dawa. The city suffered large amounts of damage and thousands of its inhabitants were displaced. Communications infrastructure was damaged and the main road to the capital Addis Ababa was cut off .